+AC_PATH_PROG([SED], [sed], [no])
+if test "$SED" = "no"; then
+ AC_MSG_ERROR([The program "sed" is not available. This program is required to build Openbox.])
+fi
+
+PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.6.0])
+AC_SUBST(GLIB_CFLAGS)
+AC_SUBST(GLIB_LIBS)
+
+PKG_CHECK_MODULES(PANGO, [pango >= 1.8.0 pangoxft >= 1.8.0])
+AC_SUBST(PANGO_CFLAGS)
+AC_SUBST(PANGO_LIBS)
+
+PKG_CHECK_MODULES(XFT, [xft])
+AC_SUBST(XFT_CFLAGS)
+AC_SUBST(XFT_LIBS)
+
+PKG_CHECK_MODULES(XML, [libxml-2.0])
+AC_SUBST(XML_CFLAGS)
+AC_SUBST(XML_LIBS)
+
+AC_ARG_ENABLE(startup-notification,
+ AC_HELP_STRING(
+ [--disable-startup-notification],
+ [disable the startup notification library. [[default=enabled]]]
+ ),
+ [enable_sn=$enableval],
+ [enable_sn=yes]
+)